Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
108981517Factored
FactorDigitsBitsDate
19308393058538586225901413038877969686143142137.12020-09-16 04:04:27
P-1 factors
DateFactorB1B2
2020-09-1619308393058538586225901413038877969686143186500017516250
History
DateUserTypeResult
2020-09-16tscF-PM1
Factor: 193083930585385862259014130388779696861431 / (P-1, B1=865000, B2=17516250, E=6)
2020-05-03TheJudgerNF
no factor from 2^76 to 2^77
2020-01-31xx005fs_TFNF
no factor from 2^75 to 2^76
2020-01-29LaurVNF
no factor from 2^74 to 2^75
2019-07-22Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-07-22Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-02-16el groccoNF
no factor from 2^71 to 2^72
2014-08-05SMoffatNF
no factor from 2^70 to 2^71
2014-07-27SMoffatNF
no factor from 2^69 to 2^70
2014-07-21SMoffatNF
no factor from 2^68 to 2^69
2013-10-04cporterfieldNF
no factor from 2^67 to 2^68
2013-09-30cporterfieldNF
no factor from 2^66 to 2^67
2012-05-25Damian SilvestreNF
no factor from 2^65 to 2^66
2010-09-12Mr-PlonkNF
no factor from 2^64 to 2^65
2010-05-04RichardNF
no factor from 2^63 to 2^64